Unit 2 Lesson 3 Review

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Across
  1. 6. The type of galaxy the Milky Way is
  2. 8. One light-year is equal to 5.8 _______ miles.
  3. 9. Over time, these instruments have become more advanced and have allowed research of the galaxy and universe to become more detailed and accurate.
  4. 11. The Milky Way is 100,000 ________ in diameter.
Down
  1. 1. A collection of hundreds of thousands of stars in a spherical shape
  2. 2. True or False? When you look at the night sky and see dark portions, that means there are no stars there.
  3. 3. Scientists use the arrangement of _____ and globular clusters to determine where our solar system is found in the Milky Way.
  4. 4. Scientists also use photographs of other _______ to help model what our galaxy looks like by looking at similar characteristics and features they share.
  5. 5. The name of the galaxy where our solar system is located.
  6. 7. This is all of space including galaxies, energy and matter.
  7. 10. The shape of our galaxy